Week 5

Question 1

what does this mean? y = int16(10);

Answer 1

it is a 16-bit signed integer array

Question 2

what is a signed type ?

Answer 2

Signed types enable you to work with negative integers as well as positive, but cannot represent as wide a range of numbers as the unsigned types because one bit is used to designate a positive or negative sign for the number. Source WIKI

Question 3

what is the default floating-point number?

Answer 3

double precision

Question 4

what can you do to verify that x is a floating-point number

Answer 4

Use the ‘isfloat’ command which will return a logical 1 or 0 false

Question 5

how do you convert double precision to single precision data

Answer 5

x = single(assignment_name);

Question 6

what function returns the attributes of variable x in a structure

Answer 6

the ‘whos’ function

Question 7

How do you create an unsigned integer

Answer 7

uint8/16/32/64(variable)

Question 8

How can you check if a variable is x number of bits and whether its uint or int

Answer 8

You ask they ‘whos’ they are?